Analysis
-
max time kernel
146s -
max time network
147s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
26-02-2021 10:28
Static task
static1
Behavioral task
behavioral1
Sample
009CVHJR393024.exe
Resource
win7v20201028
General
-
Target
009CVHJR393024.exe
-
Size
755KB
-
MD5
187c9da5f62d3a607eb6ed956766d3d9
-
SHA1
806b3b923ded374e8aca787a8e9710bc305887c2
-
SHA256
7ef7ce0c066779863c31b25f016814f07fb6b940bb4957ee72eacee2f9a13ddc
-
SHA512
d703ef8d8b557a0adeb12d33457535201fc73e9e76498c264d441c9da581bfd7364f61aec1a601cb51f3ce2e8c69da12cd8226b8dd52e7acf8f6fd419f471593
Malware Config
Extracted
nanocore
1.2.2.0
strongodss.ddns.net:58103
79.134.225.43:58103
572eb7a9-aedf-4b39-8669-f7563dab8a38
-
activate_away_mode
false
-
backup_connection_host
79.134.225.43
- backup_dns_server
-
buffer_size
65538
-
build_time
2020-08-31T08:01:57.275180636Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
58103
-
default_group
GREAT
-
enable_debug_mode
true
-
gc_threshold
1.0485772e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.0485772e+07
-
mutex
572eb7a9-aedf-4b39-8669-f7563dab8a38
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
strongodss.ddns.net
- primary_dns_server
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
false
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8009
Signatures
-
Looks for VirtualBox Guest Additions in registry 2 TTPs
-
Looks for VMWare Tools registry key 2 TTPs
-
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
009CVHJR393024.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 009CVHJR393024.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 009CVHJR393024.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Host = "C:\\Program Files (x86)\\WPA Host\\wpahost.exe" RegSvcs.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
009CVHJR393024.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 009CVHJR393024.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 009CVHJR393024.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
009CVHJR393024.exedescription pid process target process PID 1908 set thread context of 988 1908 009CVHJR393024.exe RegSvcs.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RegSvcs.exedescription ioc process File created C:\Program Files (x86)\WPA Host\wpahost.exe RegSvcs.exe File opened for modification C:\Program Files (x86)\WPA Host\wpahost.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exepid process 1320 schtasks.exe 320 schtasks.exe 1836 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
009CVHJR393024.exeRegSvcs.exepid process 1908 009CVHJR393024.exe 988 RegSvcs.exe 988 RegSvcs.exe 988 RegSvcs.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 988 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
009CVHJR393024.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1908 009CVHJR393024.exe Token: SeDebugPrivilege 988 RegSvcs.exe Token: SeDebugPrivilege 988 RegSvcs.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
009CVHJR393024.exeRegSvcs.exedescription pid process target process PID 1908 wrote to memory of 1836 1908 009CVHJR393024.exe schtasks.exe PID 1908 wrote to memory of 1836 1908 009CVHJR393024.exe schtasks.exe PID 1908 wrote to memory of 1836 1908 009CVHJR393024.exe schtasks.exe PID 1908 wrote to memory of 1836 1908 009CVHJR393024.exe schtasks.exe PID 1908 wrote to memory of 988 1908 009CVHJR393024.exe RegSvcs.exe PID 1908 wrote to memory of 988 1908 009CVHJR393024.exe RegSvcs.exe PID 1908 wrote to memory of 988 1908 009CVHJR393024.exe RegSvcs.exe PID 1908 wrote to memory of 988 1908 009CVHJR393024.exe RegSvcs.exe PID 1908 wrote to memory of 988 1908 009CVHJR393024.exe RegSvcs.exe PID 1908 wrote to memory of 988 1908 009CVHJR393024.exe RegSvcs.exe PID 1908 wrote to memory of 988 1908 009CVHJR393024.exe RegSvcs.exe PID 1908 wrote to memory of 988 1908 009CVHJR393024.exe RegSvcs.exe PID 1908 wrote to memory of 988 1908 009CVHJR393024.exe RegSvcs.exe PID 1908 wrote to memory of 988 1908 009CVHJR393024.exe RegSvcs.exe PID 1908 wrote to memory of 988 1908 009CVHJR393024.exe RegSvcs.exe PID 1908 wrote to memory of 988 1908 009CVHJR393024.exe RegSvcs.exe PID 988 wrote to memory of 1320 988 RegSvcs.exe schtasks.exe PID 988 wrote to memory of 1320 988 RegSvcs.exe schtasks.exe PID 988 wrote to memory of 1320 988 RegSvcs.exe schtasks.exe PID 988 wrote to memory of 1320 988 RegSvcs.exe schtasks.exe PID 988 wrote to memory of 320 988 RegSvcs.exe schtasks.exe PID 988 wrote to memory of 320 988 RegSvcs.exe schtasks.exe PID 988 wrote to memory of 320 988 RegSvcs.exe schtasks.exe PID 988 wrote to memory of 320 988 RegSvcs.exe schtasks.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\009CVHJR393024.exe"C:\Users\Admin\AppData\Local\Temp\009CVHJR393024.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SVafXAJvNYI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9750.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"{path}"2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WPA Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9AC9.tmp"3⤵
- Creates scheduled task(s)
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WPA Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9B47.tmp"3⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\tmp9750.tmpMD5
afebe775dd57a69a371d8846fbcd3454
SHA10cdfa5bb66a67567d67a0efc439e242ebf049a51
SHA256b1ab0d34ff332087db41c18559249eb37f83d4abbdb7c8b13abd3451a19421fd
SHA5129d860f2a575e23c1d4527a7fbf99f9f7f5d69f10d45f1d1d8ed423e67de6e634a98061c4ec777c4a5decbe5b3a3c01f28d00e4dd8ebda034c6720b338d751d50
-
C:\Users\Admin\AppData\Local\Temp\tmp9AC9.tmpMD5
40b11ef601fb28f9b2e69d36857bf2ec
SHA1b6454020ad2ceed193f4792b77001d0bd741b370
SHA256c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1
SHA512e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5
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C:\Users\Admin\AppData\Local\Temp\tmp9B47.tmpMD5
819bdbdac3be050783d203020e6c4c30
SHA1a373521fceb21cac8b93e55ee48578e40a6e740b
SHA2560e5dedca6d0d3c50ebcedb5bbf51ef3d434eb6b43da46764205de7636131f053
SHA512cece1c4d8b4db79fc6e3cd225efaccdf9d2493f28991b1d48439944af38aaa61a215bd00a0beedcbdecc4f1ec5be0843774375a483f3d4a573a3980c54798cbd
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memory/320-12-0x0000000000000000-mapping.dmp
-
memory/988-7-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/988-8-0x000000000041E792-mapping.dmp
-
memory/988-14-0x0000000000C20000-0x0000000000C21000-memory.dmpFilesize
4KB
-
memory/988-15-0x0000000000C21000-0x0000000000C22000-memory.dmpFilesize
4KB
-
memory/988-16-0x0000000000C26000-0x0000000000C37000-memory.dmpFilesize
68KB
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memory/1320-10-0x0000000000000000-mapping.dmp
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memory/1836-5-0x0000000000000000-mapping.dmp
-
memory/1908-2-0x0000000076271000-0x0000000076273000-memory.dmpFilesize
8KB
-
memory/1908-4-0x0000000000D21000-0x0000000000D22000-memory.dmpFilesize
4KB
-
memory/1908-3-0x0000000000D20000-0x0000000000D21000-memory.dmpFilesize
4KB